- 8 -
COMMISSIONING
9 - FLAME SETTING
- After switching the boiler on:
- Check the flame control by disconnecting the io-
nizing electrode:
- The boiler goes into safety mode after two ignition
attempts (display
and
)
10- COMBUSTION PRODUCT CHECKING
The boiler is preset in the factory to operate with na-
tural gas H (G20).
If the gas type is changes at the first commissioning,
check the combustion products according to the
procedure described in section 2 - page 4 -
chapter IV - OPERATING FAULTS - page 17 -
SERVICING MANUAL.
11 - ASSEMBLING THE COVER
After the commissioning and performing all the
checks, put back the front panel of the boiler.
- fit the front panel (G) to the frame of the boiler and
support it with the two latch (F),
- connect the terminal of the earth wire (O) positio-
ned in the boiler to the tab on the front panel (G),
- shut the front panel using the two latch (F) on the
top of the boiler,
- lock the 4 latches (F) using the 4 screws (E).
LED (4) on / LED (5) off:
Auto summer mode
The boiler provides domestic hot water only
Auto mode is active:
- Boiler with outside sensor only
• The heating stops automatically and only when the
average outside temperature computed by the LMU
is below 19°C.
• The hot water temperature is set manually on the boi-
ler potentiometer.
- Boiler with outside sensor and room sensor
• The heating stops automatically and only when the
average outside temperature computed by the LMU
is below 19°C.
• The hot water temperatures are set via the room sen-
sor QAA73.
Display
Description
Consequences according to type of installation
auto
Function
FUN-05-0
G
O
F
E
G
T
H
I-
131-0
F
E
Fig. 3
Summary of Contents for THI 10-35 SEP
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